ISO 17234-2-2011 皮革.皮革染色某种含氮色素的测定化学试验.第2部分:4-氨基偶氮苯的测定
时间:2024-05-11 16:51:32 来源: 标准资料网 作者：标准资料网 阅读：9864
【英文标准名称】:Leather-Chemicaltestsforthedeterminationofcertainazocolorantsindyedleathers-Part2:Determinationof4-aminoazobenzene
【原文标准名称】:皮革.皮革染色某种含氮色素的测定化学试验.第2部分:4-氨基偶氮苯的测定
【标准号】:ISO17234-2-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-03-15
【实施或试行日期】:2011-03-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;偶氮化合物;偶氮染料;化学分析和试验;化学试剂;色谱法;测定;评估;高效液相色谱法;高效液相色谱分析法;皮革;皮革制品;液相色谱法;质量浓度;材料测试;数学计算;可靠性;抽样方法;试验性能;试样;测试;4-氨基偶氮苯
【英文主题词】:Analysis;Azocompounds;Azodyes;Chemicalanalysisandtesting;Chemicals;Chromatography;Determination;Evaluations;Highperformanceliquidchromatography;HPLC;Leather;Leatherproducts;Liquidchromatography;Massconcentration;Materialstesting;Mathematicalcalculations;Reliability;Samplingmethods;Testperformance;Testspecimens;Testing;4-aminoazobenzene
【摘要】:ThispartofISO17234issupplementarytoISO17234-1anddescribesaspecialproceduretodetecttheuseofcertainazocolorantsincommodities,whichcanrelease4-aminoazobenzene.Theprocedurealsodetects4-aminoazobenzene(SolventYellow1)whichisalreadyavailableasfreeamineincommoditieswithoutreducingpretreatment.Azocolorantsthatareabletoform4-aminoazobenzenegenerate,undertheconditionsofISO17234-1,theaminesanilineand1,4-phenylenediamine.Thepresenceofthese4-aminoazobenzenecolorantscannotbereliablyascertainedwithoutadditionalinformation(e.g.thechemicalstructureofthecolorantused)orwithoutaspecialprocedure.Theuseofcertainazocolorants,whichmayrelease,byreductivecleavageoftheirazogroup(s),oneormoreoftheotheraromaticamineslistedinAnnexXVIIofRegulation(EC)No.1907/2006oftheEuropeanParliamentandoftheCouncilontheRegistration,Evaluation,AuthorisationandRestrictionofChemicals(REACH),except4-aminoazobenzene,cannotbedeterminedquantitativelywiththismethod.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_30
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:PracticeForQualificationOfACombinationOfSqueezeTool,Pipe,AndSqueeze-offProceduresToAvoidLong-termDamageInPolyethylenePeGasPipe
【原文标准名称】:为避免聚乙烯燃气管长期受损采用的管,挤压工具和挤压工序组合的合格鉴定实施规程
【标准号】:ANSI/ASTMF1734-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:组合;损伤;燃气管路;燃气管;气体;长;长期的;聚乙烯(PE);管道;管线;塑料管;塑料;聚乙烯;特性;合格;测试;工具
【英文主题词】:Combination;Damage;Gascircuits;Gaspipes;Gases;Long;Long-term;PE;Pipelines;Pipes;Plasticpipes;Plastics;Polyethylene;Properties;Qualifications;Testing;Tools
【摘要】:Thispracticecoversthequalificationofasqueezeprocessconsistingofacombinationofasqueezetool,pipe,andsqueeze-offprocedurestoavoidlong-termdamageinpolyethylenegaspipe.Thispracticeexaminestheinsideandoutsidesurfacesofthepipenearthesqueezetodeterminetheexistenceoffeaturesindicativeoflong-termcracking.Theoccurrenceofthesefeaturesdependsonthesqueezetooldesign,thepipebeingsqueezed,andthesqueezeproceduresbeingused.Thispracticeisparticularlyappropriateforpre-1975Polyethylene(PE)pipe,andforpipewithdiametergreaterthanorequalto8in.,becauseofthegreaterpossibilityoflongtermdamage.Afterthevisualscreeningidentifiesaviablesqueezeprocess,asustainedpressuretestinaccordancewithSpecificationD2513shouldbeusedtoconformtheviability.Thispracticeisforusebysqueeze-toolmanufacturersandgasutilitiesforallsqueezetoolsmadeinaccordancewithSpecificationF1563;pipemanufacturedinaccordancewithSpecificationD1513,uptoandincludingpipediametersof12in.;andsqueezeproceduresinaccordancewithGuideF1041.Governingcodesandprojectspecificationsshouldbeconsulted.Nothinginthispracticeshouldbeconstruedasrecommendingpracticesorsystemsatvariancewithgoverningcodesandprojectspecifications.WhereapplicableinthisGuide,"pipe"shallmean"pipeandtubing."Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语
【英文标准名称】:Aerospaceseries-AluminiumalloyAL-P2014A-T6orT62-Cladsheetandstrip-0,4mma6mm;GermanandEnglishversionEN2087:2005
【原文标准名称】:航空航天系列.铝合金AL-P2014A.T6或T62.覆层铝合金板材及带材.0.4mm≤a≤6mm.德文和英文版本EN2087-2005
【标准号】:DINEN2087-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;合金;铝;铝合金;铝薄板材;铝带材;化学成分;电镀;组分;尺寸;热处理;检验;材料;多语种的;电镀的;特性;质量保证;半成品;薄板材;航天运输;规范(验收);状态;带材;试验
【英文主题词】:
【摘要】:ThisstandardspecifiestherequirementsrelatingtoAluminiumalloyAL-P2014A-T6orT62-Cladsheetandstrip-0,4mma6mmforaerospaceapplications.#,,#
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:17P.;A4
【正文语种】:德语